TWI456526B - Ulti-view stereoscopic image generating method and multi-view stereoscopic image generating apparatus applying the same method - Google Patents

Claims (12)

A method for generating a multi-view stereoscopic image, comprising: providing a first two-dimensional image and a first depth map corresponding to the first two-dimensional image, wherein the first two-dimensional image has a first viewing angle; The second two-dimensional image and the first depth map are used to generate a second two-dimensional image, wherein the second two-dimensional image has a second viewing angle, and the second viewing angle and the first viewing angle are adjacent viewing angles; Generating a second two-dimensional image according to the second two-dimensional image; generating a third two-dimensional image according to the second two-dimensional image and the second depth image, wherein the third two-dimensional image has a third viewing angle, and The third viewing angle and the second viewing angle are adjacent viewing angles. The multi-view stereoscopic image generating method according to claim 1, wherein the second two-dimensional image is generated according to the first two-dimensional image and the first depth image by a depth image mapping method, and The depth image mapping method generates the third two-dimensional image according to the second two-dimensional image and the second depth map. The multi-view stereoscopic image generating method of claim 1, further comprising generating a fourth two-dimensional image according to the first two-dimensional image and the first depth image, wherein the fourth two-dimensional image has a fourth viewing angle, and the fourth viewing angle and the first viewing angle are also adjacent viewing angles. The multi-view stereoscopic image generating method according to claim 3, wherein the fourth two-dimensional image is generated according to the first two-dimensional image and the first depth map by a depth image mapping method. The method for generating a multi-view stereo image according to claim 3, further comprising: generating a corresponding third depth map according to the fourth two-dimensional image, and according to the fourth two-dimensional image and the third depth The figure generates a fifth two-dimensional image, wherein the fifth two-dimensional image has a fifth angle of view, and the fifth angle of view and the fourth angle of view are adjacent angles of view. The multi-view stereoscopic image generating method according to claim 5, wherein the fifth two-dimensional image is generated according to the fourth two-dimensional image and the third depth map by a depth image mapping method. A multi-view stereoscopic image generating device, comprising: a first depth image drawing unit, configured to receive a first two-dimensional image and a first depth map corresponding to the first two-dimensional image, and according to the first two-dimensional image The image and the first depth map are used to generate a second two-dimensional image, wherein the first two-dimensional image has a first viewing angle, the second two-dimensional image has a second viewing angle, and the second viewing angle and the first The viewing angle is an adjacent viewing angle; a first depth map generating unit is configured to receive the second two-dimensional image, and accordingly generate a corresponding one of the second depth maps; and a second depth image drawing unit to receive the Generating a second two-dimensional image and the second depth image, and generating a third two-dimensional image according to the second two-dimensional image and the second depth image, wherein the third two-dimensional image has a third angle of view, and The third perspective and the second perspective are adjacent perspectives. The multi-view stereoscopic image generating device of claim 7, wherein the first depth image drawing unit generates the first image by using a depth image mapping method according to the first two-dimensional image and the first depth image. The second two-dimensional image is generated by the second depth image drawing unit according to the second two-dimensional image and the second depth image. The multi-view stereoscopic image generating device of claim 7, wherein the first depth image drawing unit further generates a fourth two-dimensional image according to the first two-dimensional image and the first depth image, wherein the The fourth two-dimensional image has a fourth viewing angle, and the fourth viewing angle and the first viewing angle are also adjacent viewing angles. The multi-view stereoscopic image generating device of claim 9, wherein the first depth image drawing unit generates the first image by using a depth image mapping method according to the first two-dimensional image and the first depth image. Four two-dimensional images. The multi-view stereoscopic image generating device of claim 9, further comprising: a second depth map generating unit configured to generate a corresponding one of the third depth maps according to the fourth two-dimensional image; a third depth image drawing unit, configured to generate a fifth two-dimensional image according to the fourth two-dimensional image and the third depth image, wherein the fifth two-dimensional image has a fifth angle of view, and the fifth angle of view The fourth viewing angle is an adjacent viewing angle. The multi-view stereoscopic image generating device of claim 11, wherein the third depth image drawing unit generates the first image by using a depth image mapping method according to the fourth two-dimensional image and the third depth image. Five two-dimensional images.